<!DOCTYPE html>
<html>
  <head>
    <script src="./d3.min.js"></script>
    <style type="text/css">
      body, html {
        width: 100%;
        height: 100%;
        margin: 0;
      }
      svg {
        position: absolute;
        top: 0;
        left: 0;
      }
      p {
        text-align: center;
      }
    </style>
  </head>
  <body>
    <p>Use the mouse to pan (click and move) / zoom (scrollwheel)</p>
  </body>
  <script type="text/javascript">
    var svg = d3.select("body")
      .append("svg")
      .attr("width", "100%")
      .attr("height", "100%")
      .call(d3.zoom().on("zoom", function () {
        svg.attr("transform", "translate(" + d3.event.transform.x + " " + d3.event.transform.y + ")" + " scale(" + d3.event.transform.k + ")")
      }))
      .append("g")

    svg.append("circle")
      .attr("cx", document.body.clientWidth / 2)
      .attr("cy", document.body.clientHeight / 2)
      .attr("r", 50)
      .style("fill", "#B8DEE6")
  </script>
</html>